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Articles 1411 - 1421 of 1421

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The Life History Of The Sand Wasp, Bembix Occidentalis Beutenmuelleri Fox, And Its Parasites, George E. Bohart, John W. Macswain Jan 1939

The Life History Of The Sand Wasp, Bembix Occidentalis Beutenmuelleri Fox, And Its Parasites, George E. Bohart, John W. Macswain

All PIRU Publications

No abstract provided.

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The Search For Natural History Areas In Minnesota, A. N. Wilcox, W. J. Breckenridge, R. L. Donovan, T. B. Magath, H. E. Stork, Gustav Swanson Apr 1938

The Search For Natural History Areas In Minnesota, A. N. Wilcox, W. J. Breckenridge, R. L. Donovan, T. B. Magath, H. E. Stork, Gustav Swanson

Journal of the Minnesota Academy of Science

No abstract provided.

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The Fate Of The Indigenous, Arthur N. Wilcox Jan 1937

The Fate Of The Indigenous, Arthur N. Wilcox

Journal of the Minnesota Academy of Science

No abstract provided.

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The Silvan Flora Of The White Rock Lake Region With Reference To Soil Types, Landon H. Baker Apr 1933

The Silvan Flora Of The White Rock Lake Region With Reference To Soil Types, Landon H. Baker

Field and Laboratory

White Rock Lake, lying at the east border of the City of Dallas, has been the focus of considerable biological study during the past few years, and the writer has been especially interested in the trees growing in the region. In this connection the question arose as to whether or not a correlation might exist between the species of woody plants found in the locality, and the physical and chemical structure of the various soils of the vicinity. The recently completed Soil Survey of Dallas County offers data upon the origin and nature of these soils, and these have been …

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Review Of The Phytogeography Of Nebraska. 1. General Survey, By Roscoe Pound, Elizabeth Britton Jul 1898

Review Of The Phytogeography Of Nebraska. 1. General Survey, By Roscoe Pound, Elizabeth Britton

School of Biological Sciences: Faculty Publications

From the preface we learn that this work is the result of nearly five years of active study of the floral covering of Nebraska, carried on by the members of the Botanical Seminar in the Botanical Survey of the State. The systematic study of the vegetation of Nebraska was begun by Dr. Bessey in 1884, and has since been carried on by him and his students, all previous collecting having been more or less desultory and unreliable. The Botanical Survey was organized in 1892, and its work has been directed to the collecting of specimens and observations for a series …

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The Phytogeography Of Nebraska, Roscoe Pound, Frederic E. Clements Jul 1898

The Phytogeography Of Nebraska, Roscoe Pound, Frederic E. Clements

Papers in Systematics and Biological Diversity

From the preface we learn that this work is the result of nearly five years of active study of the floral covering of Nebraska, carried on by the members of the Botanical Seminar in the Botanical Survey of the State of Nebraska. The systematic study of the vegetation of Nebraska was begun by Dr. Bessey in 1884, and has since been carried on by him and his students, all previous collecting having been more or less desultory and unreliable. The Botanical Survey was organized in 1892, and its work has been directed to the collecting of specimens and observations for …

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Cattle Tick & Texas Fever: Results Of Experiments At State Experiment Station, Baton Rouge, La., William Haddock Dalrymple Jan 1898

Cattle Tick & Texas Fever: Results Of Experiments At State Experiment Station, Baton Rouge, La., William Haddock Dalrymple

LSU Agricultural Experiment Station Reports

No abstract provided.

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Zoology In The High School Curriculum, Henry B. Ward Aug 1897

Zoology In The High School Curriculum, Henry B. Ward

Studies from the University of Nebraska Zoological Laboratory

A long time has elapsed since Bacon gave to the world the sound advice that “ we should accustom ourselves to things themselves.” Little by little this idea has gained ground, until now it is recognized as a general principle in every grade of educational work and in widely separated departments of study that contact with concrete objects is far more inspiring and thought-producing than the mere scanning of black marks on a white page. So far as natural science is concerned, the varied training which it affords has been abundantly discussed before this association and elsewhere. To be sure, …

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A Biological Examination Of Lake Michigan In The Traverse Bay Region, Henry B. Ward Aug 1896

A Biological Examination Of Lake Michigan In The Traverse Bay Region, Henry B. Ward

Studies from the University of Nebraska Zoological Laboratory

During the summer of 1893 the Michigan Fish Commission entered upon a biological study of the Great Lakes by maintaining a party on Lake St. Clair. In the report of that two months, written by the director of the laboratory, Professor J. E. Reighard, are given in full the reasons which led to the inception of the undertaking and the aims which its promoters held in view. A study of the life of the lake in all its manifold interrelations and especially of those factors which bore upon the welfare of the food fishes in general and the young whitefish …

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Xiii. New Species Of Prosapis, T. D. A. Cockerell Apr 1896

Xiii. New Species Of Prosapis, T. D. A. Cockerell

Ca

No abstract provided.

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The Bees Of The Genus Perdita F. Smith, T. D. A. Cockerell Jan 1896

The Bees Of The Genus Perdita F. Smith, T. D. A. Cockerell

Ca

No abstract provided.

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